Home / 21,997.11-32,995.66-10,147.37

Finding the Fourth Proportional to 21,997.11, 32,995.66 and 10,147.37

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Solution

The fourth proportional to 21,997.11, 32,995.66 and 10,147.37 is: 15,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,997.11 : 32,995.66 = 10,147.37 : x
  2. Step 2: Convert to fraction form
    21,997.11/32,995.66 = 10,147.37/x
  3. Step 3: Cross multiply
    21,997.11x = 32,995.66 × 10,147.37
  4. Step 4: Simplify right side
    21,997.11x = 334,819,240.22
  5. Step 5: Solve for x
    x = 334,819,240.22/21,997.11
  6. Step 6: Final answer
    x = 15,221.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.